Question # 1

Communication between a computer and a keyboard involves

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Simplex

half-duplex

Full-duplex

automatic

IBM stands for

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International Business Machine

International Binary Machine

Internal Business Machine

International Business Microsoft

Communication circuits that transmit data in both directions but not at the same time are operating in.

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Simplex mode

Half duplex mode

Full Duplex mode

None of above

The electromagnetic or light waves representing data are called:

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Reraction

Information

Signals

None

What does the acronym ISDN stand for?

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International Services Data Network

Intelligent Services Digital Network

Integrated Services Digital Network

Interactive Services Digital Network

_________Coding schemes use 4 bit code

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Unicode

ASCII

EBCDIC

BCD

BCD stands for

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Bit coded digit

Byte coded decimal

Binary coded decimal

None

A computer based system in which a telephone message is recorded in digital form and then forwarded to others is

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a teleconferencing

voice mail

a bulletin board

telecommuting

The information that is to be transferred from one location to another is called:

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Signals

Data

Sender

Message

Graphics and other paperwork can be transmitted directly using which technology?

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CSMA/CD

token passing

facsimile

bulletin board

What enables a computer to work with a printer?

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Protocols

Drivers

Packet processor

HCL

In the networking environment a network adapter card driver is needed for.

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Communication with other adapter cards on a network

Communication between the file server and the other computers on the network

Communication between different types of computers on a network

Communication between the adapter card and the computers operating system

________ is component of data communication.

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Sender

Receiver

Encoder and Decoder

All

A device that connects multiple nodes to the network is.

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A modem

A repeater

A router

A hub

ASCII 8 bit code can represent maximum

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256 character

128 character

64 character

65536 character

Electronic banking.

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token ring

Mosaic

EFT

BBS

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ECAT Computer Science Chapter 6 Data Communication Online Test MCQs With Answers

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